NYSE · Industrials

CORNING INC GLW

Corning Incorporated operates in optical communications, display, specialty materials, automotive, and life sciences businesses in the United States, Canada, Mexico, Japan, Taiwan, China, South Korea, Germany, and internationally. The company provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for the telecommunications industry, businesses, governments, and individuals.

Telecommunications Equipment

Company profile

Business mix

  • The company provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices.
  • It also offers glass substrates for flat panel displays, including liquid crystal displays and organic light-emitting diodes that are used in televisions, notebook computers, desktop monitors, tablets, and handheld devices.
  • In addition, it manufactures products that offer material formulations for glass, glass ceramics, crystals, precision metrology instruments, and software, as well as glass wafers and substrates, tinted sunglasses.
  • Further, the company provides ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications, as well as technical glass and optic products and solutions for the interior and exterior of vehicles.

Current key questions

  • Can demand for the company's products and platforms keep growing within electronic components?
  • How durable are margins as product cycles, R&D spending, cloud or AI investment, and competition change?
  • Does customer concentration, switching cost, or ecosystem control support long-term pricing power?
Holders 3 Current sample portfolio
Public mentions 0 Videos / interviews / letters
Valuation snapshot
PE 85.45 FCF 0.98% Buyback -0.26%
2026-06-07

Current firm holders

Firm Weight Value Filing period
Lone Pine Capital Stephen Mandel 4.0% $505.6M 2026-03-31
Whale Rock Capital Management Alex Sacerdote 4.0% $312.4M 2026-03-31
Appaloosa David Tepper 2.6% $153.6M 2026-03-31

Recent trading changes over the last 3 quarters

Net buyers 2 Last 3 13F filing periods
Net reducers 1 Last 3 13F filing periods
Unchanged holders 2 Share count unchanged
Increase amount $563.0M Estimated from net added shares
Reduction amount $84.4M Estimated from net reduced shares
Net share change / base shares +97.1% +3,519,765 / 3,625,306
Appaloosa David Tepper 3 filing periods
13F 2025-09-30 Filed 2025-11-13
Minor reduction Shares -7.1% 13F value change +$41.3M
13F 2025-12-31 Filed 2026-02-17
Minor reduction Shares -3.4% 13F value change +$4.2M
13F 2026-03-31 Filed 2026-05-15
Major reduction Shares -28.1% 13F value change +$16.1M
Settlement As of 13F 2026-03-31 · Filed 2026-05-15
Base shares 1,750,000 Last 3 periods -620,500 (-35.5%) Total shares 1,129,500 Value $153.6M
Lone Pine Capital Stephen Mandel 1 filing periods
13F 2026-03-31 Filed 2026-05-15
New Shares - 13F value change +$505.6M
Settlement As of 13F 2026-03-31 · Filed 2026-05-15
Base shares 0 Last 3 periods +3,718,147 (New) Total shares 3,718,147 Value $505.6M
Whale Rock Capital Management Alex Sacerdote 3 filing periods
13F 2025-09-30 Filed 2025-11-14
Major increase Shares 39.8% 13F value change +$116.5M
13F 2025-12-31 Filed 2026-02-17
Minor increase Shares 1.8% 13F value change +$18.7M
13F 2026-03-31 Filed 2026-05-15
Minor reduction Shares -13.9% 13F value change +$78.6M
Settlement As of 13F 2026-03-31 · Filed 2026-05-15
Base shares 1,875,306 Last 3 periods +422,118 (+22.5%) Total shares 2,297,424 Value $312.4M
Duquesne Family Office Stanley Druckenmiller 2 filing periods
13F 2025-06-30 Filed 2025-08-15
New Shares - 13F value change +$32,771
13F 2025-09-30 Filed 2025-11-14
Sold out Shares -100.0% 13F value change -$32,771
Settlement As of 13F 2025-09-30 · Filed 2025-11-14
Base shares 0 Last 3 periods +0 (New) Total shares 0 Value $0
Soros Fund Management George Soros 2 filing periods
13F 2025-03-31 Filed 2025-05-15
New Shares - 13F value change +$21.5M
13F 2025-06-30 Filed 2025-08-14
Sold out Shares -100.0% 13F value change -$21.5M
Settlement As of 13F 2025-06-30 · Filed 2025-08-14
Base shares 0 Last 3 periods +0 (New) Total shares 0 Value $0

Recent mentions

No public mentions.